Guo J-P, Y-H Wu and W-H Li (2003). “Classification of DMUs by Super-Efficiency Data Envelopment Analysis Model.” J Tianjin University Science and Technology 36(4): 522-524.
Guo J-P, Y-H Wu and W-H Li (2003). “Classification of DMUs by Super-Efficiency Data Envelopment Analysis Model.” J Tianjin University Science and Technology 36(4): 522-524.